Philadelphia and Columbia Railroad
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What links here
Allegheny Portage Railroad
Main Line of Public Works
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Oldest railroads in North America
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Portage railway
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Gap (landform)
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Cable railway
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Laurel Highlands
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List of Pennsylvania railroads
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Moncure Robinson
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Robert Pitcairn
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Johnstown Inclined Plane
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Rust Belt
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Stephen Harriman Long
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Union Canal (Pennsylvania)
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Horseshoe Curve (Pennsylvania)
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Kittanning Path
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Little Conemaugh River
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List of Historic Civil Engineering Landmarks
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American Society of Civil Engineers
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Allegheny Mountains
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John W. Geary
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List of national historic sites and historical parks of the United States
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Pennsylvania Railroad
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Susquehanna River
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John A. Roebling
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Brownsville, Pennsylvania
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Johnstown, Pennsylvania
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Cresson, Pennsylvania
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Gallitzin, Pennsylvania
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Portage, Pennsylvania
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Wilmore, Pennsylvania
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Summerhill, Pennsylvania
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Allegheny Township, Blair County, Pennsylvania
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Hollidaysburg, Pennsylvania
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Newry, Pennsylvania
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Columbia, Pennsylvania
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List of areas in the United States National Park System
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Allegheny Portage Railroad National Historic Site
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